{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology solve the credibility issue of electronic contracts?","a":"Decentralization: Blockchain technology uses distributed node storage to avoid single centralized control  and reduce the risk of data tampering. In the context of electronic contracts, this means that contract information is widely distributed throughout the blockchain network, ensuring the authenticity and credibility of the data."}]}],"pr":"20ea67774191f81ffe1e6090a2e47cd3e5c58cd1a9914b0122137e7fc6c5c2fd"}